AREA myCode, CODE, READONLY 
 
                 THUMB 
 
ADDR_LED         EQU    0x60000100 
ADDR_DIPSW       EQU    0x60000200 
 
main             PROC 
                 EXPORT main 
 
                 LDR    R0, =ADDR_LED 
                 LDR    R1, =ADDR_DIPSW 
loop             LDR    R2, [R1, #0] 
                 STR    R2, [R0, #0] 
                 B      loop 
 
                 ENDP 
 
                 ALIGN 
                 END